Mirror



FIG. 1 is a left front perspective view of a mirror showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image thereof; and,

FIG. 3 is a front elevational view thereof.

The bottom and rear views of the mirror are not shown and form no part of the claimed design. 

The ornamental design for a mirror, as shown and described. 